Structure of PDB 4pkh Chain I

Receptor sequence
>4pkhI (length=360) Species: 9986 (Oryctolagus cuniculus) [Search protein sequence]
TTALVCDNGSGLVKAGFAGDDAPRAVFPSIVGRPRDSYVGDEAQSKRGIL
TLKYPIEHGIITNWDDMEKIWHHTFYNELRVAPEEHPTLLTEAPLNPKAN
REKMTQIMFETFNVPAMYVAIQAVLSLYASGRTTGIVLDSGDGVTHNVPI
YEGYALPHAIMRLDLAGRDLTDYLMKILTERGYSFVTTAEREIVRDIKEK
LCYVALDFENEMATAASSSSLEKSYELPDGQVITIGNERFRCPETLFQPS
FIGMESAGIHETTYNSIMKCDIDIRKDLYANNVMSGGTTMYPGIADRMQK
EITALAPSTMKIKIIAPPERKYSVWIGGSILASLSTFQQMWITKQEYDEA
GPSIVHRKCF
3D structure
PDB4pkh Actin cytoskeleton. Mechanism of actin filament pointed-end capping by tropomodulin.
ChainI
Resolution2.15 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 3.6.4.-
Interaction with ligand
Site
#
Ligand Ligand
chain
Binding residues on receptor
(original residue number in PDB)
Binding residues on receptor
(residue number reindexed from 1)
Binding affinity
BS01 ADP I G13 S14 G15 L16 K18 G156 D157 G182 K213 E214 G302 Y306 G9 S10 G11 L12 K14 G141 D142 G167 K198 E199 G287 Y291
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0003785 actin monomer binding
GO:0005509 calcium ion binding
GO:0005515 protein binding
GO:0005523 tropomyosin binding
GO:0005524 ATP binding
GO:0016787 hydrolase activity
GO:0019904 protein domain specific binding
GO:0031013 troponin I binding
GO:0031432 titin binding
GO:0032036 myosin heavy chain binding
GO:0042802 identical protein binding
GO:0048306 calcium-dependent protein binding
GO:0140660 cytoskeletal motor activator activity
Biological Process
GO:0010628 positive regulation of gene expression
GO:0030041 actin filament polymerization
GO:0030240 skeletal muscle thin filament assembly
GO:0048741 skeletal muscle fiber development
GO:0051017 actin filament bundle assembly
GO:0090131 mesenchyme migration
Cellular Component
GO:0001725 stress fiber
GO:0005737 cytoplasm
GO:0005856 cytoskeleton
GO:0005865 striated muscle thin filament
GO:0005884 actin filament
GO:0030027 lamellipodium
GO:0030175 filopodium
GO:0031941 filamentous actin
GO:0032432 actin filament bundle
GO:0044297 cell body
GO:0098723 skeletal muscle myofibril

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Molecular Function

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Biological Process

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Cellular Component
External links
PDB RCSB:4pkh, PDBe:4pkh, PDBj:4pkh
PDBsum4pkh
PubMed25061212
UniProtP68135|ACTS_RABIT Actin, alpha skeletal muscle (Gene Name=ACTA1)

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